Bump commander from 6.2.1 to 7.1.0

Bumps [commander](https://github.com/tj/commander.js) from 6.2.1 to 7.1.0.
- [Release notes](https://github.com/tj/commander.js/releases)
- [Changelog](https://github.com/tj/commander.js/blob/master/CHANGELOG.md)
- [Commits](tj/commander.js@v6.2.1...v7.1.0)

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -35,7 +35,7 @@
     "lint:docs": "documentation lint ./src/**/*.mjs"
   },
   "dependencies": {
-    "commander": "^6.2.1",
+    "commander": "^7.1.0",
     "content-entry": "^2.6.2",
     "content-entry-filesystem": "^2.0.4",
     "execa": "^5.0.0",